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Irradiated melee
GIA Spots CVD Stone in Parcel of Treated Melee
In a rare case, the Gemological Institute of America (GIA)has discovered an irradiated chemical vapor deposition (CVD) diamond in a batch of natural melee aclient had submitted for testing. The GIA’s Tokyo laboratory found the 0.007-carat, irradiatedgreen-blue...
Polished Markets Feb 10, 2019 Rapaport News
Top 10 2018 montage
Top 10 Stories of 2018: A Year of Synthetics
This was the year in which synthetic diamonds wentmainstream. De Beers launched its Lightbox brand, the US Federal TradeCommission (FTC) relaxed its rules for describing lab-grown diamonds, andthe likes of Macy’s and JCPenney started...
Polished Markets Dec 18, 2018 Joshua Freedman
Small Rough Diamonds
Small-Diamond Slump to Pressure Manufacturers
RAPAPORT PRESS RELEASE, December 4, 2018, New York… The sharp decline in prices of small, low-value diamonds will exert further pressure on India’s manufacturing sector, according to the latest issue of the Rapaport Research Report. Prices...
Polished Markets Dec 04, 2018 Rapaport
Small Rough
Analysis: A Crisis in Melee
Among the standout trends that have taken shape in the diamond trade this year is the poor performance of small and cheaper stones. But the drop in the so-called melee market has not been...
Polished Markets Nov 27, 2018 Avi Krawitz
GIA 150
Melee Parcel Contains Just One Natural Stone
The Gemological Institute of America (GIA) found just onenatural diamond in a melee parcel containing more than 1,000 undisclosedsynthetic stones, according to a recent lab note. The organization’s New York center received 1,102 smalldiamonds weighing...
Technology Aug 16, 2018 Rapaport News
Stuller 150
GIA Opens Synthetics-Testing Center Inside Stuller
The Gemological Institute of America (GIA) has launched amelee-screening center on the premises of diamond supplier Stuller, enablingthe jeweler to verify the natural origin of its stones.The arrangement allows Stuller to sell its natural diamondsto retail...
Technology Apr 18, 2018 Joshua Freedman
Melee diamonds
Rapaport Melee Index Stable in 2Q
RAPAPORT PRESS RELEASE, July 18, 2017, New York…The Rapaport Melee Index (RMI™) for small diamonds was stable at 108.50 during the second quarter of 2017. Year over year, the index was down...
Polished Markets Jul 19, 2017 Rapaport
Melee diamonds
GIA Finds Significant Undisclosed Synthetics
The Gemological Institute of America (GIA) recently uncovered an unusually large number of undisclosed synthetic diamonds mixed in with natural melee diamonds, the lab confirmed with Rapaport News on Monday. A parcel of 323 melee diamonds with...
Polished Markets Mar 07, 2017 Avi Krawitz
De Beers Unveils New Synthetics Detector
De Beers showcased an updated version of its automated melee screening machine, the AMS2, in Hong Kong on Wednesday, claiming it could check a wider range of diamonds for undisclosed synthetics, and at a faster rate. The new version was...
Polished Markets Mar 01, 2017 Avi Krawitz
Jonathan Kendall IIDGR
De Beers Expands Surat Grading Center
De Beers plans to expand its diamond grading facility in Surat, India as the company increases the services it offers at the facility. The International Institute of Diamond Grading &Research (IIDGR), a subsidiary of De Beers, said it will invest $5 million...
Technology Dec 06, 2016 Rapaport News
GIA melee testing report
GIA Rolls Out Synthetic Melee Testing Service
The Gemological Institute of America (GIA) has startedaccepting stones for its automated melee testing service, which identifiespotential synthetics in batches of small diamonds.Following a five-monthpilot, the GIA Melee Analysis Service is now open at most GIA...
Polished Markets Dec 06, 2016 Rapaport News
Stanley Zale
Stuller Debuts Traceable Melee Supply
Diamond manufacturer Stuller said it has become the firstsupplier in the United States to provide a rare ability to track the journey of meleediamonds through the supply chain. The company partnered with miner Dominion DiamondCorporation to introduce...
Polished Markets Nov 02, 2016 Rapaport News
Rapaport Logo
Rapaport to Provide 100% Natural Untreated Diamond Melee
PRESS RELEASE, August 2, 2016, New York…Rapaport Auctions and Tradingis pleased to offer clients the opportunity to purchase parcels of melee thatare 100% natural and untreated. Every single diamond in these parcels is testedusing the latest...
Rough Markets Aug 02, 2016 Rapaport
Tom Moses GIA
GIA to Launch Synthetic Testing Service for Melee
The Gemological Institute of America (GIA) is piloting aservice to sift out synthetics and treated diamonds from melee.The GIA Melee Analysis Service will “rapidly and accurately”analyze and sort stones measuring 1.1 millimeters to 3.8...
Technology May 29, 2016 Rapaport News
De Beers Launches Melee Testing Service in India and Belgium
De Beers will offer its melee testing service in Surat, India and Antwerp, Belgium, in the coming weeks, the company announced.Through its International Institute of Diamond Grading & Research (IIDGR) unit, De Beers will provide...
Polished Markets Oct 21, 2015 Rapaport News
HRD to Intro Melee Screening Unit at Hong Kong Show
HRD Antwerp will introduce an automated melee screening device, known as M-Screen, on September 17 at the Hong Kong Jewellery & Gem Fair, according to an announcement by the diamond certification lab.The machine was developed in a venture with Belgium’s...
Technology Sep 02, 2015 Rapaport News
Press Release
Rapaport Melee Diamond Index -4% in 1Q15
PRESS RELEASE, April 13, 2015, New York ... The Rapaport Melee Index (RMI™) for small diamonds decreased by 4 percent to 124.50 during the first quarter of 2015. Year over year, the index is down...
Polished Markets Apr 13, 2015 Rapaport
Rapaport Logo
Rapaport to Auction Over 98,000 Carats in Hong Kong
Press Release: Rapaport Auctions, the leading recycler of diamonds in the world, will be opening its melee auction in Hong Kong on March 2 with over 98,000 carats of diamonds. The auction consists of recycled and finely assorted...
Polished Markets Mar 02, 2015 Rapaport
Rapaport Melee Diamond Index -7% in 3Q
PRESS RELEASE, October 14, 2014, New York... The Rapaport Melee Index (RMI™) for small diamonds decreased by 6.8 percent to 129.32 during the third quarter of 2014. Year over year the index is up 2.6...
Polished Markets Oct 14, 2014 Rapaport
De Beers Distributes Its Automated Melee Screening Instrument
Press Release: Jonathan Kendall, the president of the International Institute of Diamond Grading & Research(IIDGR) is pleased to announce that the Automated Melee Screening (AMS) instrument is nowbeing dispatched to De Beers sightholders across the globe, withthe...
Technology Jul 08, 2014 De Beers
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